Shared Vs Unshared Assets
Introduction
When a Scenario is copied, all of the wells and assets are shared by default. Shared assets are noted by an S and a number. For example, when you copy a scenario, all of the assets would be denoted by "Asset Name(S2)". The "S2" indicates that the asset is shared between two scenarios. A three would indicate that it is shared between three scenarios and so on.
See the example screen shot of the asset list from the Data tab below:

If this asset is edited in any of the scenarios, the changes will affect ALL of the scenarios.
Unsharing an Asset
Obviously to compare scenarios, we need to set some of the assets to be "Unshared". To unshare and asset, or to change the sharing state of an asset:

See also